[Antibacterial chemoprophylaxis of chronic bronchitis].
D000900:Anti-Bacterial Agents / Q000627:therapeutic use*; D001991:Bronchitis / Q000517:prevention & control*; D006801:Humans; D013449:Sulfonamides / Q000627:therapeutic use*
D000900:Anti-Bacterial Agents; D013449:Sulfonamides
Chemioprofilassi antibatterica della bronchite cronica.